Art Nouveau Radio Pioneer Invention

Art Nouveau illustration with smooth organic lines, radio waves as decorative curls, muted green and gold tones, turn-of-the-century atmosphere, vertical format. Text: 'RADIO — VOICE WITHOUT WIRES', feature: 'First to transmit a signal through space without a cable', components: (antenna, receiver, transmitter, Morse code), fact: 'The first radio message consisted of two words: "Heinrich Hertz"', author: 'Alexander Popov, Russia'. vertical poster, ultra detailed, professional infographic design, high resolution